6-[4-[(4-乙基-1-哌嗪)甲基]苯基]-N-[(1R)-1-苯基乙基]-7H-吡咯并[2,3-d]嘧啶-4-胺

1-乙基-4-(4-硝基苯)哌嗪

3'-Hydroxy-5'-(4-ethyl-1-piperazinyl)benzoxazinorifamycin

4-乙基-(7ci)-1-哌嗪乙腈

1-(5-bromo-6-chloropyridin-3-yl)sulfonyl-4-ethylpiperazine